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Consider a cylinder piston system (the diagram looks like a cup with a disc as the piston and it is resting on 2 stoppers that portrude from the sides of the cup to hold this piston disc as a certain mimimum height. There is water below and inside the cup/cylinder. The water volume is insignificant and unmarked, just a rough representative line. The piston disc is free to move up.) The piston, made of steel (density of steel is = to 7750 kg/cubic meter) has a diameter of 10 cm and a thickness of h=5cm. The piston is resting on stoppers. Liquid water in the cylinder is initially in equilibrium with it's vapour at tempurature of 12 degrees celsius. Assume no other gases are present. If heat is supplied, the tempurature of the water/vapour mix will rise. At what tempurature will the piston start moving up?
How would I write a balanced chemical equation for the dissolving of copper carbonate in water and how would I be able to calculate the concentration of copper in the saturated solution from this
If you begin with 18ml of 0.25 M NaOH(aq) and add 100ml of chlorine gas at 0.993 atm and 25degrees C and the final temp of the calorimeter is 28.42 degrees C, what is the heat capacity of the reaction. Remember that there is the water the NaOH is ..
A scientist wants to make a solution of tribasic sodium phosphate, , for a laboratory experiment. How many grams of will be needed to produce 250 of a solution that has a concentration of ions of 0.700
What is the molar mass of a gas if 1.15 g of gas has a volume of 225 mL at 0 degrees C and 1.00 atm (STP)
methanol is produced accorrdingto this equation co2h2 yields ch3oh. if 356g co are mixed with 65g hydrogen how much
The boiling point of a glucose solution (d = 1.16 g/mL) is 100.21 oC. Calculate the osmotic pressure of that solution at 298K. (glucose = 180.2 g/mol ; kfp for water = 1.86 oC/m ; kbp for water = 0.520 oC/m)
A 2.0 L-reaction flask initially contains 0.04 mol CO, 0.23 mol H2, and 0.60 mol CH3OH (methanol). If this mixture is brought in contact with a zinc oxide-chromium(III) oxide catalyst, the equilibrium shown below is attained.
how many grams of potassium chloride will be generated on decomposition of 225 grams of potassium
What is the mole fraction of NaCl in this solution. what would be the vapor pressure of this solution at 45C? The vapor presssure of pure water is 23.8 torr at 25C and 71.9 torr at 45C
Ethylene glycol is the primary ingredient in antifreeze, has the chemical formula C2H6O2. The radiator fluid used in most cars is a half & half mixture of water and antifreeze (by mass). If Kf=1.86 C/m and Kb=0.512 C/m,
What will the partition function of this system reduce to at very low temp ( when kbt > delta e)?
when 7.20 grams of h2so4 l at 22.0oc are poured into a 94.0 gram mixture of ice and watercontaining 6.15 grams of ice a
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